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289934 = 2144967
BaseRepresentation
bin1000110110010001110
3112201201022
41012302032
533234214
610114142
72315201
oct1066216
9481638
10289934
11188917
1211b952
13a1c78
1477938
155ad8e
hex46c8e

289934 has 4 divisors (see below), whose sum is σ = 434904. Its totient is φ = 144966.

The previous prime is 289897. The next prime is 289937. The reversal of 289934 is 439982.

It is a semiprime because it is the product of two primes.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 289894 and 289903.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 289934.

It is not an unprimeable number, because it can be changed into a prime (289937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72482 + ... + 72485.

It is an arithmetic number, because the mean of its divisors is an integer number (108726).

2289934 is an apocalyptic number.

289934 is a deficient number, since it is larger than the sum of its proper divisors (144970).

289934 is a wasteful number, since it uses less digits than its factorization.

289934 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144969.

The product of its digits is 15552, while the sum is 35.

The square root of 289934 is about 538.4551977649. The cubic root of 289934 is about 66.1860377086.

The spelling of 289934 in words is "two hundred eighty-nine thousand, nine hundred thirty-four".

Divisors: 1 2 144967 289934